GT-BFJ12Hot Runner Heater Filling Machine is designed for hot runner heaters or after fill MGO rod, it still need to fill MGO powder, which heating wire components and magnesium rod penetrate the empty tube, need to fill the MGO powder,increase the density of the tube to achieve the product requirements.Due to the special structure of the hot runner, the length is generally within the range of 150 mm to 2000 mm.